Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10105568 | Stair climber apparatuses and methods of operating stair climber apparatuses | Emil Golen, Young Chul Kim | 2018-10-23 |
| 9216317 | Stair climber apparatuses and methods of operating stair climber apparatuses | Emil Golen, Young Chul Kim, Scott S. Dueball | 2015-12-22 |